<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>错误界面</title>
    <link href="css/error_style.css" type="text/css" rel="stylesheet">
</head>
<body>
<div id="top">
     <div class="center">
           <div class="left">
                <img  style="float: right" src="img/a1.png">
           </div>
           <div class="right">
                <p>数据库安全审计防护系统</p>
           </div>
     </div>
</div>
<div id="head">
    <div class="center">
         <div class="left">
              <img  style="float: right" src="img/a2.png">
         </div>
         <div class="right">
               <p>很抱歉，页面不存在！</p>
         </div>
         <div class="middle">
             <div class="right">
                 <p>无法访问此页面，该页可能已被删除或您没有权限。<br>您可以选择返回首页 或者上一页</p>
             </div>
         </div>
         <div class="bottom">
              <div class="right">
                  <a href="#"><img src="img/souye.jpg"></a>
                  <a href="#"><img src="img/diyiye.jpg"></a>
              </div>
         </div>
    </div>
</div>
</body>
</html>